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* fhandler.h (fhandler_dev_mem): Add methods mmap, munmap and msync.

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Add `unit' member.
        * fhandler_mem.cc (fhandler_dev_mem): Initialize `unit' as well.
        (init): Care for differences between /dev/mem, /dev/kmem (not
        implemented yet) and /dev/port.
        (open): Change debug message to reflect the device.
        (mmap): New function.
        (munmap): Ditto.
        (msync): Ditto.
        (fstat): Use unit when setting st_dev in stat structure.
        * mmap.cc (mmap): Handle MAP_ANONYMOUS flag.
        Change error handling slightly.
        * path.cc (get_device_number): Handle /dev/port.
This commit is contained in:
Corinna Vinschen
2000-10-07 17:35:36 +00:00
parent 7aadaf0f7e
commit 4ea34a6850
5 changed files with 185 additions and 30 deletions
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10
winsup/cygwin/path.cc
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@@ -500,7 +500,15 @@ get_device_number (const char *name, int &unit, BOOL from_conv)
unit = 8 + (deveqn ("u", 1) ? 1 : 0); /* Keep unit Linux conformant */
}
else if (deveq ("mem"))
devn = FH_MEM;
{
devn = FH_MEM;
unit = 1;
}
else if (deveq ("port"))
{
devn = FH_MEM;
unit = 4;
}
else if (deveqn ("com", 3) && (unit = digits (name + 3)) >= 0)
devn = FH_SERIAL;
else if (deveq ("pipe") || deveq ("piper") || deveq ("pipew"))